34results about How to "Optimize the spraying process" patented technology

The invention provides a solid lubrication treatment method for a friction pair laser micro-texture surface. The method comprises the steps that a micro-pit shape is machined on the surface of a friction pair through the laser surface texturing technology; all components in a self-lubrication composite are evenly mixed and dried to be used later; the surface micro-pit in a pre-treated die is filled with the self-lubrication composite through a die hot-press curing filling method; pressure maintaining hot-press curing filling is conducted through a hot press; then, the filled friction pair is heated for 20 min at the temperature of 250 DEG C and then protected by 99.9% of N2 to be heated for 30 min at the temperature ranging from 370 DEG C to 385 DEG C, insulating sintering is conducted for 0.5 h-1.0 h, and sintering forming is conducted after cooling; and solid lubrication can be finished after surface posttreatment. According to the method, the high-temperature sliding friction performance of the self-lubrication surface of a micro-texture can be improved, a good lubricating effect can be achieved under the conditions such as the high temperature and the high pressure, the bearing capability of a nanometer composite solid lubricating agent is effectively improved, and the nanometer composite solid lubricating agent can be applied under some complex and strict work conditions.

The invention relates to a nickel-based powder core wire and preparation and application of a coating and belongs to the thermal spraying field of material processing engineering. The chemical core comprises the following components in percentage by weight: 20-35% of pure metal chromium powder, 1-4% of pure metal tungsten, 1-30% of nickel boron powder and the balance of nickel. The strip for the outer skin of the powder core wire is 80Ni-20Cr strip. The filling rate of the powder core wire is 32%. When a tungsten-nickel-containing coating is prepared by an electric arc spraying method, a base body is pre-treated first and the spraying process is carried out under following conditions: the voltage is 28-34V, the current is 160-220A, the spraying distance is 190-210mm and the pressure of the compressed air is 0.5-0.6MPa. According to the tungsten-containing corrosion-resistant coating obtained by the invention, the high-temperature corrosion resistance of the coating is increased, and the service stability of a water cooling wall pipe and an over-heater pipe in a waste resourceful WTE (Waste-To-Energy) garbage incinerator is improved.

The invention relates to a cobalt-containing phosphating agent, a metal part and a surface phosphating treatment method thereof. The phosphating agent is used for metal part surface pretreatment, and comprises the following components in parts by weight, based on 1000 parts: 5-30 parts of phosphoric acid, 3-10 parts of zinc oxide, 0.5-3 parts of a magnesium salt, 0.5-3 parts of an aluminum salt, 0.5-5 parts of cobalt nitrate and the balance of water. A film layer structure formed by the phosphating agent is compact in structure and firm in adhesion force, and a continuously-even and colored phosphating layer is generated on the surface of the metal part for being applied to phosphating treatment before spraying of steel surfaces such as a cold-rolled plate, a hot-rolled plate and angular steel. A phosphating solution is long in service, is free of wastewater, and can be used for phosphating by brushing, immersing, spraying or a combined way thereof. The phosphating agent can be dried or naturally dried in air at a temperature of 10-50 DEG C, saves energy consumption to a great extent, is short in phosphating time, is free of surface adjustment before use, does not need to add a promoter, and is simple and labor-saving in operation.

The invention discloses an electrical equipment inspection rack. A worker sits on a working chair to operate a first rocking handle manually. A locking mechanism acts. A lifting rod ascends to relieve frictional contact with a top face of a base. A rotary seat and the base can rotate freely. After that, the worker drives a second rocking handle with a foot. A rotation driving mechanism acts. A second bevel gear rotates relative to a bevel gear. A second bevel gear drives the rotary seat to rotate relative to the base. The worker operates a third rocking handle manually. A lifting mechanism acts to realize ascending and descending of a workbench. The worker operates a fourth rocking handle with the foot, a translation mechanism acts. A driving rolling wheel and a driven rolling wheel drive the whole electrical equipment inspection rack to conduct translation along the ground. The inspection rack does multi-dimension motion and is convenient and easy to control.

The invention discloses low-solar absorption energy-saving weather-resistant ocean grey finish paint which consists of a component A and a component B, wherein the component A comprises the following components in percentage by mass: 35-45 percent of polyurethane resin, 25-35 percent of modified titanium dioxide, 5-15 percent of kaolin or calcium carbonate, 0.5-1.5 percent of functional black pigment, 0.1-0.3 percent of functional green pigment, 8-18 percent of solvent and 2-5 percent of aids; the component B comprises the following component in percentage by mass: 10-15 percent of aliphatic polyisocyanate. The low-solar absorption energy-saving weather-resistant ocean grey finish paint is applied to hulls above ship waterlines and outer surfaces of superstructures, adsorption of outer walls of the ships on sunlight illumination energy can be reduced, increase of temperature in the compartment is reduced, the living and working conditions of the crew are improved, and lots of cooling cost is saved.

The invention provides a preparation method of modified aerogel for sewage treatment. The preparation method has the advantages that low-crosslinking polystyrene serves as an aerogel matrix, a certainamount of tetrabutyl titanate is added during dissolution, and silica, bentonite, polydopamine, vinyltriethoxysilane and benzyl alcohol are used for spraying, so that the excellent adsorption effectis achieved; experimental results show that the modified aerogel prepared by the preparation method has excellent treatment ability for oil-rich sewage, and has remarkable adsorption effect on the sewage, so that the application of the polystyrene aerogel in the water treatment field is promoted.

The invention discloses a molecular adsorption-thermal control bifunctional coating and a preparation method thereof. The raw materials of the molecular adsorption-thermal control bifunctional coatingcomprise a Y-type zeolite and an inorganic silica sol, wherein the mass percentage content of the Y-type zeolite is 60-90%, and the inorganic silica sol is distributed around zeolite crystals in theform of a three-dimensional porous reticular SiO2 chain. The molecular adsorption-thermal control bifunctional coating has a simple structure, saves the cost, does not need to additionally construct athermal control coating, avoids the use of a thermal control material with a multilayer film structure, integrates the molecular adsorption performance with the thermal control performance, has a saturated adsorption capacity of 130 mg/g, and can be used as a functional coating with a high emission value and a high adsorbability.

The invention relates to a surface spraying method for a metal light guiding control panel. The method comprises the following steps that firstly, the metal panel is provided, an insert counter bore is formed in the metal panel, an insert is contained in the insert counter bore, the insert is provided with an insert upper surface, and a panel upper surface is flush with the insert upper surface; secondly, the panel upper surface and the insert upper surface are cleaned; thirdly, a composite film is provided and provided with a surface insulating layer and a surface adsorption layer, and the surface adsorption layer is attached to the insert upper surface and the panel upper surface; fourthly, primer is sprayed; fifthly, the surface insulating layer is removed, and the transparent colorless surface adsorption layer is retained; sixthly, the light transmitting white paint is sprayed; seventhly, the shading finishing coat is sprayed; eighthly, a light guiding illumination character is etched. Thus, the size change produced in a joint due to the temperature change is offset through superelasticity of the composite film, and it is avoided that a paint layer is tensioned and fractured by stress.

The invention relates to a titanium-containing phosphating agent, a metal part and a surface phosphating treatment method of the metal part. The phosphating agent is used for metal part surface pretreatment and comprises the components of, in parts by weight in 1000 parts, 5-30 parts of phosphoric acid, 3-10 parts of zinc oxide, 0.5-3 part of magnesium salt, 0.5-3 part of aluminum salt, 0.5-5 part of fluotitanic acid and the balance water. A film layer formed by the phosphating agent is fine in structure and firm in adhesive force, a continuous, uniform and colorful phosphating layer can be generated on the surface of the metal part, and the titanium-containing phosphating agent, the metal part and the surface phosphating treatment method of the metal part are applied to phosphating treatment before spraying of the surfaces of steel such as cold-rolled plates, hot-rolled plates and angle steel. The phosphating solution has the advantages of long service life and no wastewater generation, and can be used for phosphating in a brushing, soaking, spraying or combination mode, the adopted temperature is 10-50 DEG C, drying and natural airing can be achieved, energy consumption is reduced to a great extent, phosphating time is short, surface conditioning and accelerant adding are not needed before use, and operation is easy and time-saving.

The invention discloses an epoxy resin spray-coating method and a special-purpose epoxy resin spray-coating liquid thereof. The epoxy resin spray-coating liquid comprises, by weight, 100 parts of epoxy resin, 30 parts of a curing agent and 10-30 parts of xylene. The method comprises 1, spray-coating one side of a base, which is baked at a temperature of 110 DEG C for 15min and is to be spray-coated, with the epoxy resin spray-coating liquid, 2, baking the spray-coated base at a temperature of 100-120 DEG C for 15-30min, and 3, turning over the base baked through the step 2 and spray-coating the other side of the base through the steps 1 and 2. The epoxy resin spray-coating method accelerates amorphous nanometer crystal iron core package treatment time, reduces an amorphous nanometer crystal iron core package cost and improves performances of the amorphous nanometer crystal iron core spray-coated with epoxy resin.

The invention provides a heat dissipation module spraying redundant part removal method and treatment device. The removal method comprises the following steps that firstly, a heat dissipation module is placed below a laser head, and redundant parts are removed through a laser process; and secondly, a wiping device wipes a laser area back and forth twice. The treatment device comprises a four-station rotary disc, and a feeding mechanical hand, a laser device, the wiping device and a discharging mechanical hand which are arranged beside the four-station rotary disc. A jig is installed on each station plate of the four-station rotary disc. A dust suction pipe is arranged beside the laser device. The redundant spraying parts on a scattering module are removed through the laser method, and in this way, the heat dissipation module does not need to be shielded in the spraying stage, the spraying process of the heat dissipation module is optimized, and the spraying precision is improved.

The invention relates to the technical field of pipeline water prevention and corrosion prevention, in particular to a pipeline construction device and a pipeline water prevention and corrosion prevention polyurea spraying construction method.The pipeline construction device comprises a center disc, radial expansion pieces and a pressing ring, the radial expansion pieces are fixedly arranged on the outer circumference of the center disc, and the radial outer sides of the radial expansion pieces are connected with the pressing ring; the pressing ring is connected with the center disc through a spring, a communicating pipe is arranged in the center of the center disc in the axial direction, and a spray head assembly fixing base is arranged at one end of the communicating pipe. The pipeline construction device is compact and reasonable in structure and good in use stability, the technological process of pipeline waterproof and anti-corrosion spraying construction can be simplified, and the spraying quality and the construction efficiency are effectively improved.